SAService Architect Open designer
SAService ArchitectDocumentation
Stream typesRouting and topology
Stream type E

Typed Error Handling in Service Pipelines

Consumes the typed error side output of Input, Process or Sink.

When to use

Use Error to model recovery, logging or dead-letter handling as a normal branch.

Behavior

  • The parent operator owns the error relationship.
  • The error branch can continue through ordinary operators.

General properties

Identity, ownership and operator-specific mode.

PropertyTypeDescription
typeTransformationType

Operator kind. It controls available properties, valid sources and generated interfaces.

RequiredAllowed: Input, SubStream, Map, Filter, Join, MultiJoin, Process, FlatMap, FlatMapIterable, KeyBy, Merge, Split, Case, Sink, CycleLink, Error, Delay, When
namestring

Human-readable stream name shown in the designer and used to derive default generated symbols.

Required
serviceService

Service that owns the stream. Connected streams must belong to the same service.

Required

Connections properties

Upstream graph references accepted by this operator.

PropertyTypeDescription
sourceStream

Single upstream stream. The designer only offers structurally and type-compatible candidates.

Required

Data Types properties

Message contracts visible at this node.

PropertyTypeDescription
valueTypeType

Output or response message contract. The exact meaning is operator-specific.

RequiredDefault: UnknownType

Execution properties

Pipeline placement and runtime policy.

PropertyTypeDescription
pipelinestring

Named business-flow grouping inside the owning service; retained in generated configuration and runtime grouping metadata. It does not create connections.

Position properties

Designer-only canvas coordinates.

PropertyTypeDescription
xPosnumber

Horizontal designer coordinate. It has no runtime effect; missing positions can be supplied by layout.

yPosnumber

Vertical designer coordinate. It has no runtime effect; missing positions can be supplied by layout.

Configuration example

type: Error
source: saveOrder
valueType: error